sooperlooper - Realtime software looping sampler

SooperLooper is a realtime software looping sampler in the spirit of
Gibson's Echoplex Digital Pro. If used with a low-latency kernel and
the proper audio buffer configuration it is capable of truly realtime
live looping performance.

- updated to 1.1.0
- patch automake version comparison in autogen.sh, it is compared as
a number in perl and it fails for automake > 1.9 (1.10 in fc7)
- fix #if to #ifdef and failed include in libs/pbd/mountpoint.cc (patch1)